Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/devgrafix/public_html/roomadmin/vendor/sebastian/diff/tests/Utils/UnifiedDiffAssertTraitTest.php:18
Stack trace:
#0 {main}
thrown in /home/devgrafix/public_html/roomadmin/vendor/sebastian/diff/tests/Utils/UnifiedDiffAssertTraitTest.php on line 18